<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        a:link {
            color: red;
        }
        a:visited {
            color: #2e6da4;
        }
        a:hover {
            color: yellow;
        }
        a:active {
            color: blue;
        }
    </style>
</head>
<body>
<a href="http://www.baidu.com">百度</a>
<a href="http://www.365jia.cn">万家</a>
<a href="http://www.17173.cn">游戏</a>
<a href="http://www.sohu.com">搜狗</a>
</body>
</html>